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Finding the Fourth Proportional to 89,903, 134,860.98 and 34,499

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Solution

The fourth proportional to 89,903, 134,860.98 and 34,499 is: 51,750.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,903 : 134,860.98 = 34,499 : x
  2. Step 2: Convert to fraction form
    89,903/134,860.98 = 34,499/x
  3. Step 3: Cross multiply
    89,903x = 134,860.98 × 34,499
  4. Step 4: Simplify right side
    89,903x = 4,652,568,949.02
  5. Step 5: Solve for x
    x = 4,652,568,949.02/89,903
  6. Step 6: Final answer
    x = 51,750.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.